"successfully killed" is a grammatically correct and commonly used phrase in written English.
You can use it to describe an action or event in which someone or something was killed successfully or with good results. Example: The team of hunters successfully killed a large bear in the forest.
The Sopa protests successfully killed support for the act.
The Bruins outshot the Flyers, 29-19, and successfully killed off six Philadephia power plays.
Against the cellar-dwelling Devils, Washington was able to get away with it, even as the team took — and successfully killed — six minor penalties.
After Narayan surgically administered hundreds of thousands of tiny bacteriophages into the patient's chest, the viruses successfully killed the bacteria and the patient was found to be free of infection.
In their assault to free the hostages, special commandos successfully killed one would-be suicide bomber, but other militants in the room fired at two of the commandos, killing them, a military official said.
It was called, slightly optimistically, Operation Infinite Reach, and successfully killed a dozen or so young Pakistanis who were training in the camps as well several blameless old men and a large number of goats.
It says: here is how you successfully kill yourself.
Elbit uses the murderous impact of its weapons for profit, marketing the drones as "field-tested" – in other words, proven to successfully kill Palestinians with nowhere to run.
This scenario, in which removal of bacA from the brucellae allows the body's immune system to recognize and then successfully kill off a persistent intruder, is a perfect basis for the development of a vaccine, Dr. LeVier pointed out.
"An example of this network in action was our November 13th strike on Abu Nabil, where assets from several locations converged to successfully kill this Isis leader in Libya," Carter said.
After Hercules successfully kills the Hydra by cutting off its heads and burning the wounds so more heads won't grow back, he dips his arrows into its poison blood to make his weapon more deadly.
